{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "625201833",
    "entityType": "User",
    "nonce": "0x961df779cdb3802b400421587c6922f9415be390df67a19d44063b786fa9af19",
    "signature": "0x6af3601ac779f173b88dc3a9fb3146089098b4fdd276934d4aa686754ef1155b35f333c08e1abfde01afdc72531e682c08287b3d4d1498cb25260e4edb6ae2e91c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}